Fingerprinting Deep Packet Inspection Devices by Their Ambiguities
Diwen Xue, Armin Huremagic, Wayne Wang, Ram Sundara Raman, Roya Ensafi
ACM SIGSAC Conference on Computer and Communications Security (CCS), October 2025
Digital Discrimination of Users in Sanctioned States: The Case of the Cuba Embargo
Anna Ablove, Shreyas Chandrashekaran, Hieu Le, Ram Sundara Raman, Reethika Ramesh, Harry Oppenheimer, Roya Ensafi
USENIX Security Symposium, August 2024
🏅 Distinguished Paper Award
Modeling and Detecting Internet Censorship Events
Elisa Tsai, Ram Sundara Raman, Atul Prakash, Roya Ensafi
NDSS, February 2024
Global, Passive Detection of Connection Tampering 📹
Ram Sundara Raman, Louis-Henri Merino, Kevin Bock, Marwan Fayed, Dave Levin, Nick Sullivan, Luke Valenta
SIGCOMM, August 2023
Network Responses to Russia’s Invasion of Ukraine in 2022: A Cautionary Tale for Internet Freedom
Reethika Ramesh*, Ram Sundara Raman*, Apurva Virkud, Alexandra Dirksen, Armin Huremagic, David Fifield, Dirk Rodenburg, Rod Hynes, Doug Madory, Roya Ensafi
USENIX Security Symposium, August 2023
🏅 FOCI 2024 Best Practical Award
CERTainty: Detecting DNS Manipulation using TLS Certificates 🖥️
Elisa Tsai, Deepak Kumar, Ram Sundara Raman, Gavin Li, Yael Eiger, Roya Ensafi
PETS, August 2023
Advancing the Art of Censorship Data Analysis 🖥️
Ram Sundara Raman, Apurva Virkud, Sarah Laplante, Vinicius Fortuna, Roya Ensafi
FOCI, February 2023
Network Measurement Methods for Locating and Examining Censorship Devices 🖥️ 📹
Ram Sundara Raman*, Mona Wang*, Jakub Dalek, Jonathan Mayer, Roya Ensafi
CoNEXT, December 2022
🏅 IRTF Applied Networking Research Prize 2023
A Large-scale Investigation into Geodifferences in Mobile Apps
Renuka Kumar, Apurva Virkud, Ram Sundara Raman, Atul Prakash, Roya Ensafi
USENIX Security Symposium, August 2022
A Multi-Perspective View of Internet Censorship in Myanmar 🖥️ 📹
Ramakrishna Padmanabhan, Arturo Filastò, Maria Xynou, Ram Sundara Raman, Kennedy Middleton, Mingwei Zhang, Doug Madory, Molly Roberts, Alberto Dainotti
SIGCOMM Workshop on FOCI, August 2021
Lost in Transmission: Investigating Filtering of COVID-19 Websites
Anjali Vyas, Ram Sundara Raman, Nick Ceccio, Philipp Lutscher, Roya Ensafi
Financial Cryptography, March 2021
Censored Planet: An Internet-wide, Longitudinal Censorship Observatory 🖥️ 📹
Ram Sundara Raman, Prerana Shenoy, Katharina Kohls, Roya Ensafi
CCS, November 2020
Investigating Large Scale HTTPS Interception in Kazakhstan 🖥️ 📹
Ram Sundara Raman, Leonid Evdokimov, Eric Wustrow, J. Alex Halderman, Roya Ensafi
IMC, October 2020
🏅 Best Paper Award Nominee
Measuring the Deployment of Network Censorship Filters at Global Scale 🖥️
Ram Sundara Raman, Adrian Stoll, Jakub Dalek, Reethika Ramesh, Will Scott, Roya Ensafi
NDSS, February 2020
Decentralized Control: A Case Study of Russia 🖥️
Reethika Ramesh, Ram Sundara Raman, Matthew Bernhard, Victor Ongkowijaya, Leonid Evdokimov, Annie Edmundson, Steve Sprecher, Muhammad Ikram, Roya Ensafi
NDSS, February 2020
🏅 CSAW’20 Applied Research Competition North America Top 10 Paper